Home / 149,013,964.90-223,776,000.15-80,989,516.90

Finding the Fourth Proportional to 149,013,964.90, 223,776,000.15 and 80,989,516.90

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Solution

The fourth proportional to 149,013,964.90, 223,776,000.15 and 80,989,516.90 is: 121,622,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,013,964.90 : 223,776,000.15 = 80,989,516.90 : x
  2. Step 2: Convert to fraction form
    149,013,964.90/223,776,000.15 = 80,989,516.90/x
  3. Step 3: Cross multiply
    149,013,964.90x = 223,776,000.15 × 80,989,516.90
  4. Step 4: Simplify right side
    149,013,964.90x = 18,123,510,145,962,828
  5. Step 5: Solve for x
    x = 18,123,510,145,962,828/149,013,964.90
  6. Step 6: Final answer
    x = 121,622,897.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.